Sometimes, he has to adjust his eyes to the light.
I couldn't see for a second, as my eyes adjusted to the light.
As her eyes adjusted to the dark, she could see more of him.
It took him a moment to adjust his eyes to the dark.
As his eyes adjusted to the light, he pulled back far enough to make out a face.
As her eyes adjusted, she was able to see more of the governor.
As his eyes adjusted to the light, he began to see that's exactly what they were standing in.
As his eyes adjusted, he saw it was the Professor.
He waited for a full two minutes as his eyes adjusted.
She stood in the corridor, trying to adjust her eyes.